| 1934 GEN STEEL CASTINGS CORP Locomotive Structure |
| 1934 GEN ELECTRIC Time Switch Patent Print Art |
| 1934 GEN RAILWAY SIGNAL CO Shock Absorbing Means |
| 1934 GEN Traffic Controlling System Railroads |
| 1934 GEN Locomotive Cylinder Smoke Box Saddle |
| 1934 HULL Themionic Cathode Lamp GEN ELEC Patent 11081 |
| 1934 GEN Railway Track Circuits Relay Art Print |
| 1934 GEN ELECTRIC Electrical Coupler Patent |
| 1934 GEN STEEL CASTINGS CORP Railway Vehicle Structure |
| 1934 GEN STEEL CASTINGS CORP Rocker Centering |
| 1934 GEN SPRING BUMPER CORP End Connection Bumpers |
| 1934 GEN ELECTRIC Welded Railway Truck Patent |
| 1934 GEN MOTORS CORP Electric Switch Patent |
| 1934 GEN MOTORS CORP Loading Equipment Patent |
| 1934 GEN RAILWAY SIGNAL CO Railway Track Circuit |
| 1934 GEN Interlocking System Railroads Art Print |
| 1934 GEN Centralized Traffic Control System Art |
| 1934 GEN Railway Pedestal Journal Box Structure |
| 1934 GEN Centralized Traffic Controlling System |
| 1934 GEN Remote Control System Radio Receiving Like |
| 1934 GEN Highway Crossing Signal System Art |
| 1934 GEN ELECTRIC Circuit Interrupting Art |
| 1934 GEN MOTORS CORP Electric Clock Patent Print |
| 1934 GEN ELECTRIC Sound Absorbing System Patent |
| 1934 GEN ELECTRIC Flash Light Device Patent |
| 1934 GEN Railway Traffic Controlling System Art |
| 1934 GEN MOTORS CORP Journal Box Frame Connection |
| 1934 GEN BODY HOIST Dumping Vehicle Hoist Art |
| 1934 GEN STEEL CASTINGS CORP Railway Brake Construction |
| 1934 GEN RAILWAY SIGNAL CO Car Retarder Railroads |
| 1934 GEN AVIAT CORP Airplane Stabilizer Structure |
| 1934 GEN ELECTRIC CO LTD Lighting Device Patent |
| 1934 138th anniv death of Gen. Anthony Wayne |